Bug ID 1991853: TMM crash occurs during the modification of VLAN Custom Resources (CRs)

Last Modified: Jul 15, 2026

Affected Product(s):
BIG_IP_NEXT(BNK) BNK(all modules)

Fixed In:
2.1.0

Opened: Jul 24, 2025

Severity: 2-Critical

Symptoms

TMM crash is observed when VLAN CRs are modified after upgrading to SPK 2.0.2.

Impact

Traffic disrupted while tmm restarts.

Conditions

When VLANs with bonded interfaces are present, and modifications are made to the VLANs.

Workaround

To modify a VLAN Custom Resource (CR) with bonded interfaces, perform the following steps: 1. Delete all VLAN Custom Resources (CRs). 2. Restart the F5Ingress Controller. 3. Reapply the modified VLAN Custom Resources (CRs).

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips